1N=1/9.8鈮?.10204kg
涓�鑸彲浠ヨ繎浼煎綋浣?/p>
1N=1/10=0.1kg
1Kg=9.8N
锛堟爣鍑嗘儏鍐典笅锛?/p>
鍦ㄥ叕寮?/p>
F=ma
涓紝锛屽綋
m
鍜?/p>
a
鍒嗗埆鐢ㄥ崈鍏嬪拰绫虫瘡浜屾鏂圭浣滃崟浣嶇敤鐗涢】浣滃崟浣?/p>
kg*m/(s*s)
灏辨槸
N
鍥犱负
N
鐨勫畾涔夊氨鏄?/p>
kg*m/(s*s)
鍔涚殑鍗曚綅鏈夐偅浜?/p>
鍥介檯鍗曚綅鍒舵槸鐗涢】锛?/p>
N
锛夛紝姝ゅ杩樻湁鍗冨厠鍔涳紙
kgf
锛?/p>
1kgf=9.80665N
锛夈�佸惃鍔涳紙
tf
锛?/p>
1tf=9806.65N
锛?/p>
銆?/p>
杈惧洜
锛?/p>
dyn
锛?/p>
1dyn=0.00001N
锛?/p>
銆?/p>
纾呰揪
锛?/p>
pdl
锛?/p>
1pdl=0.138255N
锛?/p>
銆?/p>
纾呭姏锛?/p>
lbf
锛?/p>
1lbf=4.44822N
锛?/p>
N/kg=kg.m/s虏
/kg=m/s虏
閲嶅姏鍔犻�熷害
g=9.8
鐗?/p>
/
鍗冨厠锛?/p>
N/Kg
锛?/p>
g
锛?/p>
9
锛?/p>
8m
锛?/p>
s2
锛屾垨鍙?/p>
g
锛?/p>
10m
锛?/p>
s2
銆?/p>
鍘嬪己鐨勬蹇?/p>
,
鍏紡
,
鍗曚綅
,
鍙婂叾涓崟浣嶇殑鎰忎箟銆?/p>
瀹氫箟鎴栬В閲?/p>
鈶犲瀭鐩翠綔鐢ㄤ簬鐗╀綋鍗曚綅闈㈢Н涓婄殑鍔涘彨鍋氬帇鍔涖�?/p>
鈶＄墿浣撶殑鍗曚綅闈㈢Н涓婂彈鍒扮殑鍘嬪姏鐨勫ぇ灏忓彨鍋氬帇寮恒�?/p>
(2)
鍗曚綅
鍦ㄥ浗闄呭崟浣嶅埗涓紝鍘嬪己鐨勫崟浣嶆槸甯曟柉鍗★紝绠�绉板笗锛屽嵆鐗涢】锛忓钩鏂圭背銆傚帇寮虹殑甯哥敤
鍗曚綅鏈夊崈甯曘�佹爣鍑嗗ぇ姘斿帇銆佹墭銆佸崈鍏嬪姏锛忓帢绫?/p>
2
銆佹绫虫按閾舵煴绛夌瓑銆傦紙涔嬫墍浠ュ彨
甯曟柉鍗℃槸涓轰簡绾康娉曞浗绉戝瀹跺笗鏂崱锛?/p>
(3)
鍏紡锛?/p>
p=F/S